package ynu.edu.achitectureclass.repository;

import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;
import ynu.edu.achitectureclass.entity.Air_water;

import java.util.Optional;

@Repository
public interface Air_water_Repository extends JpaRepository<Air_water, String> {
    Optional<Object> findTopByOrderByCreatedAtDesc();
}